Yokogawa ASI133 Input Signal Transmitter

The Yokogawa ASI133 is a highly reliable input signal transmitter, designed for industrial automation systems. It handles 8 isolated input channels with 4 to 20 mA signals, making it ideal for precise process control. Additionally, the ASI133 is capable of withstanding high voltages and delivers superior performance in demanding environments.

Key Features of the Yokogawa ASI133

The ASI133 offers excellent flexibility and robustness for industrial applications. It supports 8 isolated input channels, providing reliable data acquisition even in complex control systems.

• Number of Input Channels: The ASI133 supports 8 isolated input channels, ensuring accurate and noise-resistant signal transmission.
• Input Signal Range: It accepts input signals within the 4 to 20 mA range, which is standard for industrial automation systems.
• Allowable Input Current: The module can handle up to 22.5 mA, accommodating a wide range of input devices.
• Withstanding Voltage: It is built to withstand 1500 V AC, providing protection against electrical surges and interference.

In addition to these core features, the ASI133 guarantees high accuracy and dependable operation under various industrial conditions.

Electrical and Performance Specifications

The ASI133 provides exceptional electrical characteristics, ensuring reliable data processing and fast signal updates. This makes it a highly efficient component for industrial control systems.

• Input Resistance (Power ON):
  • 2-wire configuration: 400 Ω at 20 mA to 750 Ω at 4 mA.
  • 4-wire configuration: 485 Ω at 20 mA to 925 Ω at 4 mA.
• Power OFF Resistance: The resistance increases to 1 MΩ or higher when the module is powered off, preventing unwanted interference.
• Accuracy: With an impressive accuracy of +16 µA, the ASI133 ensures precise measurements of the input signals.
• Step Response Time: The module responds in just 100 ms, making it ideal for fast data processing.
• Data Update Period: The ASI133 updates its data every 10 ms, ensuring real-time monitoring and control.

Furthermore, the ASI133 operates with a 16 V DC power supply, featuring an output current limit of 20 mA. This ensures smooth and efficient performance in various setups.

Environmental and Current Consumption Specifications

The ASI133 performs optimally across a wide temperature range, making it suitable for various industrial environments.

• Drift Due to Ambient Temperature Change: The current drift is +16 µA/10°C, which ensures minimal fluctuation due to temperature changes.
• Current Consumption:
  • 5 V DC: Consumes 150 mA.
  • 24 V DC: Consumes 450 mA.

These specifications ensure that the ASI133 remains energy-efficient while maintaining high performance across a variety of environments.

Physical Characteristics

The ASI133 is compact, lightweight, and easy to integrate into your industrial system. It provides superior performance without occupying much space in control panels or systems.

• Weight: The ASI133 weighs approximately 0.30 kg, making it easy to handle and install.
• External Connection: It features a pressure clamp terminal (ATSA3) for secure and simple wiring.
• Interface Type: The ASI133 uses an isolated interface (Barrier type) to ensure safe and stable communication.

In addition, the ASI133 supports HART communication, enabling efficient communication with field devices and other components.

Technical Specifications

Manufacturer Information

The Yokogawa ASI133 is a product of Yokogawa, a global leader in industrial automation. Yokogawa’s extensive expertise in the field ensures the production of reliable, high-performance components. The ASI133 reflects Yokogawa’s commitment to providing innovative solutions that enhance control and automation in industrial systems.